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d="scan'208";a="23941194" From: Anthony PERARD To: Subject: [PULL 1/1] accel/xen: Fix xen_enabled() behavior on target-agnostic objects Date: Mon, 3 Aug 2020 17:52:51 +0100 Message-ID: <20200803165251.907213-2-anthony.perard@citrix.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200803165251.907213-1-anthony.perard@citrix.com> References: <20200803165251.907213-1-anthony.perard@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.71.155.168; envelope-from=anthony.perard@citrix.com; helo=esa5.hc3370-68.iphmx.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/03 12:53:05 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -53 X-Spam_score: -5.4 X-Spam_bar: ----- X-Spam_report: (-5.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anthony PERARD , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , xen-devel@lists.xenproject.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Philippe Mathieu-Daud=C3=A9 CONFIG_XEN is generated by configure and stored in "config-target.h", which is (obviously) only include for target-specific objects. This is a problem for target-agnostic objects as CONFIG_XEN is never defined and xen_enabled() is always inlined as 'false'. Fix by following the KVM schema, defining CONFIG_XEN_IS_POSSIBLE when we don't know to force the call of the non-inlined function, returning the xen_allowed boolean. Fixes: da278d58a092 ("accel: Move Xen accelerator code under accel/xen/") Reported-by: Paul Durrant Suggested-by: Peter Maydell Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Anthony PERARD Tested-by: Paul Durrant Message-Id: <20200728100925.10454-1-philmd@redhat.com> Signed-off-by: Anthony PERARD --- include/sysemu/xen.h | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/include/sysemu/xen.h b/include/sysemu/xen.h index 1ca292715e69..385a1fa2bff8 100644 --- a/include/sysemu/xen.h +++ b/include/sysemu/xen.h @@ -8,7 +8,15 @@ #ifndef SYSEMU_XEN_H #define SYSEMU_XEN_H =20 -#ifdef CONFIG_XEN +#ifdef NEED_CPU_H +# ifdef CONFIG_XEN +# define CONFIG_XEN_IS_POSSIBLE +# endif +#else +# define CONFIG_XEN_IS_POSSIBLE +#endif + +#ifdef CONFIG_XEN_IS_POSSIBLE =20 bool xen_enabled(void); =20 @@ -18,7 +26,7 @@ void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, struct MemoryRegion *mr, Error **errp); #endif =20 -#else /* !CONFIG_XEN */ +#else /* !CONFIG_XEN_IS_POSSIBLE */ =20 #define xen_enabled() 0 #ifndef CONFIG_USER_ONLY @@ -33,6 +41,6 @@ static inline void xen_ram_alloc(ram_addr_t ram_addr, ram= _addr_t size, } #endif =20 -#endif /* CONFIG_XEN */ +#endif /* CONFIG_XEN_IS_POSSIBLE */ =20 #endif --=20 Anthony PERARD